Finding the Fourth Proportional to 134,317.20, 201,257.10 and 98,887.80
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Solution
The fourth proportional to 134,317.20, 201,257.10 and 98,887.80 is: 148,170.69
Step by Step Solution
- Step 1: Write the proportion equation
134,317.20 : 201,257.10 = 98,887.80 : x - Step 2: Convert to fraction form
134,317.20/201,257.10 = 98,887.80/x - Step 3: Cross multiply
134,317.20x = 201,257.10 × 98,887.80 - Step 4: Simplify right side
134,317.20x = 19,901,871,853.38 - Step 5: Solve for x
x = 19,901,871,853.38/134,317.20 - Step 6: Final answer
x = 148,170.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.